diff --git a/purchase_order_product_recommendation_supermarket/wizards/purchase_order_recommendation.py b/purchase_order_product_recommendation_supermarket/wizards/purchase_order_recommendation.py
index 37ab0a4..7dcadc5 100644
--- a/purchase_order_product_recommendation_supermarket/wizards/purchase_order_recommendation.py
+++ b/purchase_order_product_recommendation_supermarket/wizards/purchase_order_recommendation.py
@@ -79,6 +79,8 @@ class PurchaseOrderRecommendationSupermarketWizard(models.TransientModel):
                 if orders[-1].effective_date
                 else orders[-1].date_planned.date()
             )
+        else:
+            self.date_last_order = False
 
         dates = [o.date_order.date() for o in orders if o.date_order]
         if len(dates) < 2:
@@ -160,7 +162,7 @@ class PurchaseOrderRecommendationSupermarketWizard(models.TransientModel):
 
         days = self._get_total_days()
         prev_date_end = self.date_begin - timedelta(days=1)
-        prev_date_begin = prev_date_end - timedelta(days=days)
+        prev_date_begin = self.date_begin - timedelta(days=days)
         domain = self.with_context(
             {
                 "period_date_begin": prev_date_begin,
@@ -179,7 +181,6 @@ class PurchaseOrderRecommendationSupermarketWizard(models.TransientModel):
                         "period_date_end": prev_date_end,
                     }
                 )._get_days_out_of_stock(product_id)
-                print(days_with_stock)
                 res["units_avg_delivered_prev"] = (
                     res["units_delivered_prev"] / days_with_stock
                     if days_with_stock != 0